Infinitive: to knock sth about
Participle: knocked sth about
Gerund: knocking sth about
| I | knock sth about |
| you | knock sth about |
| he;she;it | knocks sth about |
| we | knock sth about |
| you | knock sth about |
| they | knock sth about |
| I | have knocked sth about |
| you | have knocked sth about |
| he;she;it | has knocked sth about |
| we | have knocked sth about |
| you | have knocked sth about |
| they | have knocked sth about |
| I | knocked sth about |
| you | knocked sth about |
| he;she;it | knocked sth about |
| we | knocked sth about |
| you | knocked sth about |
| they | knocked sth about |
| I | had knocked sth about |
| you | had knocked sth about |
| he;she;it | had knocked sth about |
| we | had knocked sth about |
| you | had knocked sth about |
| they | had knocked sth about |
| I | will knock sth about |
| you | will knock sth about |
| he;she;it | will knock sth about |
| we | will knock sth about |
| you | will knock sth about |
| they | will knock sth about |
| I | will have knocked sth about |
| you | will have knocked sth about |
| he;she;it | will have knocked sth about |
| we | will have knocked sth about |
| you | will have knocked sth about |
| they | will have knocked sth about |
| I | knock sth about |
| you | knock sth about |
| he;she;it | knock sth about |
| we | knock sth about |
| you | knock sth about |
| they | knock sth about |
| I | have knocked sth about |
| you | have knocked sth about |
| he;she;it | have knocked sth about |
| we | have knocked sth about |
| you | have knocked sth about |
| they | have knocked sth about |
| I | knocked sth about |
| you | knocked sth about |
| he;she;it | knocked sth about |
| we | knocked sth about |
| you | knocked sth about |
| they | knocked sth about |
| I | had knocked sth about |
| you | had knocked sth about |
| he;she;it | had knocked sth about |
| we | had knocked sth about |
| you | had knocked sth about |
| they | had knocked sth about |
| I | would knock sth about |
| you | would knock sth about |
| he;she;it | would knock sth about |
| we | would knock sth about |
| you | would knock sth about |
| they | would knock sth about |
| I | would have knocked sth about |
| you | would have knocked sth about |
| he;she;it | would have knocked sth about |
| we | would have knocked sth about |
| you | would have knocked sth about |
| they | would have knocked sth about |
| you | knock sth about |
| we | Let's knock sth about |
| you | knock sth about |
| I | am knocking sth about |
| you | are knocking sth about |
| he;she;it | is knocking sth about |
| we | are knocking sth about |
| you | are knocking sth about |
| they | are knocking sth about |
| I | have been knocking sth about |
| you | have been knocking sth about |
| he;she;it | has been knocking sth about |
| we | have been knocking sth about |
| you | have been knocking sth about |
| they | have been knocking sth about |
| I | was knocking sth about |
| you | were knocking sth about |
| he;she;it | was knocking sth about |
| we | were knocking sth about |
| you | were knocking sth about |
| they | were knocking sth about |
| I | had been knocking sth about |
| you | had been knocking sth about |
| he;she;it | had been knocking sth about |
| we | had been knocking sth about |
| you | had been knocking sth about |
| they | had been knocking sth about |
| I | will be knocking sth about |
| you | will be knocking sth about |
| he;she;it | will be knocking sth about |
| we | will be knocking sth about |
| you | will be knocking sth about |
| they | will be knocking sth about |
| I | will have been knocking sth about |
| you | will have been knocking sth about |
| he;she;it | will have been knocking sth about |
| we | will have been knocking sth about |
| you | will have been knocking sth about |
| they | will have been knocking sth about |
| I | would be knocking sth about |
| you | would be knocking sth about |
| he;she;it | would be knocking sth about |
| we | would be knocking sth about |
| you | would be knocking sth about |
| they | would be knocking sth about |
| I | would have been knocking sth about |
| you | would have been knocking sth about |
| he;she;it | would have been knocking sth about |
| we | would have been knocking sth about |
| you | would have been knocking sth about |
| they | would have been knocking sth about |
"Knocked up in the United States, amongst females, the phrase is equivalent to being enciente, so that Englishmen often unconsciously commit themselves when amongst our Yankee cousins." [John Camden Hotten, "The Slang Dictionary," London, 1860]